it is def the adjutable 1 i got it all mounted up and it seams to run alright the bike is all stock with a uni filter and the exhaust i had put a 260 main jet in it but i think it can take a 270 how do you guys think it should be ran with the set up,, would it run better adjusted for tork or top end didnt really get to try it out yet just looking for some opinions and also what gasket should be used with it a stock 1 or a special 1 made for the pipe it seems to be leaking alittle